6.The Admiralty Fire Control Table (A.F.C.T.) was an electromechanical analogue computer fire-control system that calculated the correct elevation and deflection of the main armament of a Royal Navy cruiser or battleship, so that the shells fired would strike a surface target.

Anti-aircraft warfare or counter-air defence is defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action."AAP-6 They include ground-and air-based weapon systems, associated sensor systems, command and control arrangements and passive measures (e.g. barrage balloons).

The Caribbean (or; Caribe; Caraïben; Caribbean Hindustani: कैरिबियन (Kairibiyana); Caraïbe or more commonly Antilles) is a region that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Sea and the North Atlantic Ocean), and the surrounding coasts.

A depth charge is an anti-submarine warfare (ASW) weapon intended to destroy or cripple a target submarine by being dropped into the water close to its target and detonating, subjecting the target to a powerful and destructive hydraulic shock.

In naval terminology, a destroyer is a fast maneuverable long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller powerful short-range attackers.

The draft (American) or draught (British) of a ship's hull is the vertical distance between the waterline and the bottom of the hull (keel), with the thickness of the hull included; in the case of not being included the draft outline would be obtained.

The English Channel (Manche, "Sleeve"; Mor Breizh, "Bretons Sea"; Mor Bretannek, "British Sea"), also called simply the Channel, is the body of water that separates southern England from northern France, and joins the southern part of the North Sea to the Atlantic Ocean.

The Gironde is a navigable estuary (often falsely referred to as a river), in southwest France and is formed from the meeting of the rivers Dordogne and Garonne just downstream of the centre of Bordeaux.

The Indian Ocean raid (known in Japan as Operation C) was a naval sortie by the fast carrier strike force of the Imperial Japanese Navy from 31 March – 10 April 1942 against Allied shipping and bases in the Indian Ocean.

During the Spanish Civil War, several countries followed a principle of non-intervention, which would result in the signing of the Non-Intervention Agreement in August 1936 and the setting up of the Non-Intervention Committee, which first met in September.

and --> The Oerlikon 20 mm cannon is a series of autocannons, based on an original German 20 mm Becker design that appeared very early in World War I. It was widely produced by Oerlikon Contraves and others, with various models employed by both Allied and Axis forces during World War II, and many versions still in use today.

The 2-pounder gun, officially designated the QF 2-pounder (QF denoting "quick firing") and universally known as the pom-pom, was a British autocannon, used famously as an anti-aircraft gun by the Royal Navy.

The QF 3 inch 20 cwt anti-aircraft gun became the standard anti-aircraft gun used in the home defence of the United Kingdom against German airships and bombers and on the Western Front in World War I. It was also common on British warships in World War I and submarines in World War II.

The QF 6 pounder Hotchkiss was a light 2.25 inch (57 mm) naval gun and coast defence gun of the late 19th century used by many countries, and was adapted for use in the early British tanks in World War I.

James Ramsay MacDonald, FRS (12 October 18669 November 1937) was a British statesman who was the first Labour Party Prime Minister of the United Kingdom, leading a Labour Government in 1924, a Labour Government from 1929 to 1931, and a National Government from 1931 to 1935.

A searchlight (or spotlight) is an apparatus that combines an extremely luminous source (traditionally a carbon arc lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular direction, usually constructed so that it can be swiveled about.

Ship breaking or ship demolition is a type of ship disposal involving the breaking up of ships for either a source of parts, which can be sold for re-use, or for the extraction of raw materials, chiefly scrap.

Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.

The Spanish Civil War (Guerra Civil Española),Also known as The Crusade (La Cruzada) among Nationalists, the Fourth Carlist War (Cuarta Guerra Carlista) among Carlists, and The Rebellion (La Rebelión) or Uprising (Sublevación) among Republicans.

Sri Lanka (or; Sinhalese Śrī Laṃkāva, Tamil Ilaṅkai), officially the Democratic Socialist Republic of Sri Lanka and known from the beginning of British colonial rule until 1972 as Ceylon, is an island country in South Asia near south-east India.

Vichy France is the Allies' description of the government of the French State (État français), following its relocation to the spa town of Vichy, headed by Marshal Philippe Pétain from 1940 to 1944 during World War II.

Victory in Europe Day, generally known as V-E Day, VE Day or simply V Day was the public holiday celebrated on 8 May 1945 (7 May in Commonwealth realms) to mark the formal acceptance by the Allies of World War II of Nazi Germany's unconditional surrender of its armed forces.

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